Overview

overview

10

Static

static

Dori.ocx.dll

windows7_x64

10

Dori.ocx.dll

windows10_x64

8

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-11-2020 10:50

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General

  • Target

    Dori.ocx.dll

  • Size

    141KB

  • MD5

    745868c40e6f1d1d40ae60335417f6d7

  • SHA1

    cfe42b4014fc22596b4305271c4a133492603349

  • SHA256

    7a5e4fd35a1a636ef1beb7e62cc647d7e63f5c7aadd2aa1a49d49c81183aca93

  • SHA512

    fae585aa131dfa0c5063991fe13938f73c83d78b43ee142ca39e767ec7db6ec7bb419522b4c0c6c210163b05e95db896388446dd8b70b7a29d4c6fe31d130b18

Score
10/10
ursnif_rm3bankertrojan

Malware Config

Signatures

  • Ursnif RM3

    A heavily modified version of Ursnif discovered in the wild.

    bankertrojanursnif_rm3
  • Blacklisted process makes network request 1 IoCs
  • Deletes itself 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 105 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 13 IoCs
  • Suspicious use of SetWindowsHookEx 52 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dori.ocx.dll,#1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1032
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dori.ocx.dll,#1
          3⤵
          • Blacklisted process makes network request
          PID:1596
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c start /min forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwASQBkAGUAbgB0AGkAdAB5AHcAbwByACcAKQAuAEQA & exit" /p C:\Windows\system32 /s /m po*l.e*e
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\system32\forfiles.exe
          forfiles /c "cmd /k @path -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwASQBkAGUAbgB0AGkAdAB5AHcAbwByACcAKQAuAEQA & exit" /p C:\Windows\system32 /s /m po*l.e*e
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1264
          • C:\Windows\system32\cmd.exe
            /k "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwASQBkAGUAbgB0AGkAdAB5AHcAbwByACcAKQAuAEQA & exit
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:748
            • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe -ec aQBlAHgAIAAoAGcAcAAgACcASABLAEMAVQA6AFwAUwBvAGYAdAB3AGEAcgBlAFwASQBkAGUAbgB0AGkAdAB5AHcAbwByACcAKQAuAEQA
              5⤵
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1312
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\np4dcq2f\np4dcq2f.cmdline"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:1332
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7BA5.tmp" "c:\Users\Admin\AppData\Local\Temp\np4dcq2f\CSC77967A9CD3C4438C813CAAD94155211.TMP"
                  7⤵
                    PID:940
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\diz55elw\diz55elw.cmdline"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1068
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7D0C.tmp" "c:\Users\Admin\AppData\Local\Temp\diz55elw\CSCF909F4B0D455473CA0407E512F2C873.TMP"
                    7⤵
                      PID:1656
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\Dori.ocx.dll"
            2⤵
            • Deletes itself
            • Suspicious use of WriteProcessMemory
            PID:932
            • C:\Windows\system32\timeout.exe
              timeout /t 5
              3⤵
              • Delays execution with timeout.exe
              PID:1636
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1832
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1832 CREDAT:275457 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:636
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1724
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1724 CREDAT:275457 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:556
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1212
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:275457 /prefetch:2
            2⤵
            • Suspicious use of SetWindowsHookEx
            PID:1584
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:3159045 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:984

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/400-2-0x000007FEF6380000-0x000007FEF65FA000-memory.dmp

          Filesize

          2.5MB

          Download

        • memory/984-17-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-24-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-31-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-21-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-100-0x0000000002C30000-0x0000000002C31000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-26-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-19-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/984-29-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-112-0x000000001C340000-0x000000001C341000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-109-0x000000001A840000-0x000000001A841000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-129-0x000000001B570000-0x000000001B588000-memory.dmp

          Filesize

          96KB

          Download

        • memory/1312-128-0x0000000002490000-0x0000000002491000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-120-0x00000000022F0000-0x00000000022F1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-111-0x000000001B6F0000-0x000000001B6F1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-110-0x0000000002380000-0x0000000002381000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-106-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

          Filesize

          9.9MB

          Download

        • memory/1312-107-0x000000001A9A0000-0x000000001A9A1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1312-108-0x000000001A9E0000-0x000000001A9E1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-72-0x0000000002F40000-0x0000000002F41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-99-0x0000000002A50000-0x0000000002A52000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1584-62-0x0000000002F40000-0x0000000002F41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-93-0x0000000002A50000-0x0000000002A51000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-83-0x0000000002A50000-0x0000000002A51000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-88-0x0000000002A50000-0x0000000002A51000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-39-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-41-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-44-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-46-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-49-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-67-0x0000000002F40000-0x0000000002F41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-51-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-15-0x0000000002920000-0x0000000002922000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1584-14-0x0000000002920000-0x0000000002921000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1584-101-0x0000000006250000-0x0000000006273000-memory.dmp

          Filesize

          140KB

          Download

        • memory/1584-13-0x0000000002920000-0x0000000002921000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1596-1-0x00000000001C0000-0x00000000001D2000-memory.dmp

          Filesize

          72KB

          Download